[GitHub] [lucene] tang-hi commented on a diff in pull request #12303: Address HNSW Searcher performance regression

["tang-hi (via GitHub)" <gi...@apache.org>]

tang-hi commented on code in PR #12303:
URL: https://github.com/apache/lucene/pull/12303#discussion_r1198060903


##########
lucene/core/src/java/org/apache/lucene/util/hnsw/HnswGraphSearcher.java:
##########
@@ -179,7 +182,7 @@ public static NeighborQueue search(
       }
       eps[0] = results.pop();
     }
-    results.clear();
+    results = new NeighborQueue(topK, false);
     graphSearcher.searchLevel(

Review Comment:
   ```suggestion
       results = graphSearcher.searchLevel(query, topK, 0, eps, vectors, graph, acceptOrds, visitedLimit);
   ```



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